Colour Enhancer Stone Floor Sealer 1LColour Enhancer Stone Floor Sealer feeds and seals porous interior stone slab and tile floorsto protect against water and staining. Made from a base of linseed oil, it is ideal for sealing and protecting terracotta, slate, York stone, quarry tiles and other similar types of porous stone or man made flooring. Waterproof and stain resistant, it also helps to reduce dusting and crumbling while enhancing the natural colours of the stone.